Maintenance manual
KONGSBERG PROPRIETARY.
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11.4
Maneuvering Time Test
For the purpose of confirming the healthy condition of the internal seal of the Steering Gear unit, the
following test procedure is to be followed. The procedure will rely on timing the movement going
from 30 deg rudder position on one side to 35 deg on the opposite side. Read the pressure on the
pump manometer when performing the test.
Note!
Performance of this test to be managed by the Chief Engineer when vessel is lying still in sheltered waters. The
test should be done first with pump no 1 and then again with pump no 2.
The maneuvering time must be taken while the rudder is moving. The rudder must start at 35°. When passing
30°, the stopwatch must be started, and stopped when passing 35° on the opposite side.
1.
Set the selector switch on the motor controller 2 to position 2
“STOP”.
2.
Set the selector switch on motor controller 1 to posi
tion 3 “LOCAL
CONTROL”.
3.
Operate the Steering Gear using the solenoid valve to 35° STBD.
4.
Measure the time used from to 30°STBD - 35°PORT.
5.
Measure the time used from to 30°PORT- 35°STBD.
6.
Set the selector switch on motor controller 1 to position 2
“STOP”.
7.
Set the selector switch on motor controller 2 to position 3
“LOCAL CONTROL”.
8.
Repeat test with pump No 2.
9.
Set both selector switches in position 1 “REMOTE CONTROL”.
10.
Operate the Steering Gear from the bridge and follow instruction 3-5.
11.
Return to 0° position and stop the pumps.
Direction
Time
Pressure
Pump 1
STBD - PORT
Sec
Bar
Pump 1
PORT- STBD
Sec
Bar
Pump 2
STBD
–
PORT
Sec
Bar
Pump 2
PORT- STBD
Sec
Bar
Pump 1+2 STBD - PORT
Sec
Bar
Pump 1+2 PORT- STBD
Sec
Bar
For vessels with two Steering Gears, please perform one test per unit!
